import 'package:flutter/material.dart';

class XyMiddlePage extends StatefulWidget {
  const XyMiddlePage({Key? key}) : super(key: key);

  @override
  _XyMiddlePageState createState() => _XyMiddlePageState();
}

class _XyMiddlePageState extends State<XyMiddlePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(child: Text('中间'),),
    );
  }
}
